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A method for online prediction of Mooney viscosity of rubber compounded by open-kneader

A technology of Mooney viscosity and prediction method, which is applied in the field of on-line prediction of Mooney viscosity of rubber mixing rubber in a rubber mill, can solve problems such as the Mooney viscosity of rubber mixing without an open mill, and achieves saving parking time, simple control, and The effect of less investment

Active Publication Date: 2016-06-29
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent 200310105637.9 discloses the "self-adaptive rubber removal control method", which is in the production process of banbury rubber, by controlling the Mooney viscosity index of the mixed rubber to judge the degree of mixing progress, and establishing the parameters of the mixing process and the Mooney mixed rubber. A multifunctional mathematical model of viscosity, but only applicable to the banburying process
Chinese patent application 201010612805.3 discloses "on-line soft measurement method of Mooney viscosity of rubber mixing", which is to take the first sample sampling instead of the conventional air cooling and stop the sampling during the processing of the rubber material through banburying, extrusion, calendering, and kneading. The Mooney viscosity prediction model is established by using the algorithm of the support vector machine function. This invention is suitable for the rubber mixing process with a relatively complicated process, but the rubber mixing process with a simple open mill is not applicable
With the development of low-temperature single-stage rubber mixing in several domestic tire companies, the open mill has attracted people's attention again. However, there is no online quality prediction method for the open mill at present, especially there is no online monitoring of the Mooney viscosity of the mixed rubber in the open mill. Detection method

Method used

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  • A method for online prediction of Mooney viscosity of rubber compounded by open-kneader
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  • A method for online prediction of Mooney viscosity of rubber compounded by open-kneader

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Experimental program
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Effect test

Embodiment 1

[0027] Below by embodiment and in conjunction with accompanying drawing, the present invention will be further described:

[0028](1) The rubber material used in this example is all-steel radial tire tread rubber, which is mixed using an XK-160E open mill intelligent rubber mixing experimental platform. Prepare 25 groups of formula rubber materials to be verified, and their formulas are shown in Table 1:

[0029] Table 1

[0030]

[0031] (2) In order to avoid environmental pollution and powder loss caused by flying dust when adding powder to the open mill for rubber mixing, before performing rubber mixing with the open mill, use the internal mixer for preliminary plasticizing and mixing, the most important The purpose is to mix the rubber material, powder material and oil material together with the internal mixer first, so as to facilitate the subsequent rubber mixing operation of the open mixer. After the rubber is discharged from the internal mixer, the rubber material...

Embodiment 2

[0043] The present invention is further described by common conveyor belt formula and in conjunction with accompanying drawing:

[0044] (1) The rubber used in this example is a common conveyor belt formula, and the XK-160E open mill intelligent rubber mixing experimental platform is used for mixing. Prepare 25 groups of formula rubber materials that need to be verified, and their formulas are shown in Table 4:

[0045] Table 4

[0046]

[0047] (2) In order to avoid environmental pollution and powder loss caused by flying dust when adding powder to the open mill for rubber mixing, before performing rubber mixing with the open mill, use the internal mixer for preliminary plasticizing and mixing, the most important The purpose is to mix the rubber material, powder material and oil material together with the internal mixer first, so as to facilitate the subsequent rubber mixing operation of the open mixer. After the rubber is discharged from the internal mixer, the rubber m...

Embodiment 3

[0059] The present invention will be further described by the formula of ordinary hose inner layer glue in conjunction with the accompanying drawings:

[0060] (1) The rubber used in this example is the formula of ordinary rubber hose inner layer, and the XK-160E open mill intelligent rubber mixing experimental platform is used for mixing. Prepare 25 groups of formula rubber materials to be verified, and their formulas are shown in Table 1:

[0061] Table 7

[0062]

[0063] (2) In order to avoid environmental pollution and powder loss caused by flying dust when adding powder to the open mill for rubber mixing, before performing rubber mixing with the open mill, use the internal mixer for preliminary plasticizing and mixing, the most important The purpose is to mix the rubber material, powder material and oil material together with the internal mixer first, so as to facilitate the subsequent rubber mixing operation of the open mixer. After the rubber is discharged from th...

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Abstract

An on-line prediction method of the Mooney viscosity of rubber mixing in a rubber mill, which uses the various process parameters detected during the rubber mixing process of the open mill and the established mathematics of Mooney viscosity and process parameters for rubber materials of different formulations. model to predict the Mooney viscosity of the rubber compound during the mixing process; the established mathematical model of the Mooney viscosity and process parameters is an online prediction mathematical model established by a stepwise regression method. The invention does not need to be parked before testing, and can predict the Mooney viscosity of the mixing rubber in the open mill online, saving the rubber parking time; the statistical principle is used to make the prediction result have higher accuracy and reference value, and can be used for Control and adjust rubber mixing parameters; on-line control of rubber mixing quality can also be realized on the open training machine; less investment, simple control, obvious effect and broad application prospects.

Description

technical field [0001] The invention relates to the field of rubber plastic state mixing, especially in the field of measurement and prediction of the mill processing process, in particular to an on-line prediction method for the Mooney viscosity of rubber mixed in the rubber mill. Background technique [0002] The rubber mill is an open rubber mixing machine, which is the earliest and most basic rubber machinery with a relatively simple structure used in the rubber industry. With the application and development of continuous mixer and other equipment, the scope of use of open mixer has been significantly reduced, but the investment of internal mixer is large, and its use is not as wide as that of open mixer. Therefore, in small and medium-sized enterprises, especially reclaimed rubber and small batches In the production of special rubber types and rubber materials, the application is still relatively common. It has been clear in the field that the Mooney viscosity value is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B7/28
Inventor 曾宪奎孙延奎褚福海
Owner QINGDAO UNIV OF SCI & TECH
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